XML 64 R51.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Cash, Cash Equivalents and Investments (Fair Value of Debt Securities by Contractual Maturity) (Details) - USD ($) $ in Thousands | Nov. 30, 2017 | Nov. 30, 2016
--- | --- | ---
Investments and Cash [Abstract] |  |
Due in one year or less | $ 22,333 | $ 21,172
Due after one year | 27,812 | 21,546
Total | $ 50,145 | $ 42,718

X
- Definition Fair value of debt securities + References No definition available. + Details
Name: | prgs_FairValueOfDebtSecurities
Namespace Prefix: | prgs_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Fair value of debt securities maturities after one year. + References No definition available. + Details
Name: | prgs_FairValueOfDebtSecuritiesMaturitiesAfterOneYear
Namespace Prefix: | prgs_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Fair value of debt securities maturities within one year. + References No definition available. + Details
Name: | prgs_FairValueOfDebtSecuritiesMaturitiesWithinOneYear
Namespace Prefix: | prgs_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- References No definition available. + Details
Name: | us-gaap_InvestmentsAndCashAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration